Erica throws a lawn dart upward from a height of 1 meter above the ground. The lawn dart reaches a maximum height of 40 m. a) Find the initial velocity of the lawn dart (Answer: 27.6ŷ) b) How long after launch does the lawn dart reach its maximum height? (Answer: 2.82 s) c) How long after launch does the lawn dart hit the ground? (Answer: 5.68 s) d) What is the impact velocity of the lawn dart? (Answer: -289) e) Plot the acceleration vs time and velocity vs time
Erica throws a lawn dart upward from a height of 1 meter above the ground. The lawn dart reaches a maximum height of 40 m. a) Find the initial velocity of the lawn dart (Answer: 27.6ŷ) b) How long after launch does the lawn dart reach its maximum height? (Answer: 2.82 s) c) How long after launch does the lawn dart hit the ground? (Answer: 5.68 s) d) What is the impact velocity of the lawn dart? (Answer: -289) e) Plot the acceleration vs time and velocity vs time
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:Erica throws a lawn dart upward from a height of 1 meter above the ground. The lawn dart reaches a maximum
height of 40 m.
a) Find the initial velocity of the lawn dart (Answer: 27.6ŷ )
b) How long after launch does the lawn dart reach its maximum height? (Answer: 2.82 s)
c) How long after launch does the lawn dart hit the ground? (Answer: 5.68 s)
d) What is the impact velocity of the lawn dart? (Answer: -28ŷ-)
e) Plot the acceleration vs time and velocity vs time
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